As character names:

U+0138 LATIN SMALL LETTER KRA character (ĸ)

As raw characters:

ĸ

As a string of HTML entities:

ĸ

Decoder output:

Byte number 1 is decimal 196, hex 0xC4, octal \304, binary 11000100
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 184, hex 0xB8, octal \270, binary 10111000
This is continuation byte 1, expecting 0 more.

U+0138	LATIN SMALL LETTER KRA
	* Greenlandic (old orthography), Labrador Inuttut
	x (cyrillic small letter ka - 043A)
	x (latin letter small capital k - 1D0B)